Finding the Fourth Proportional to 4,160,496.20, 6,240,744.30 and 2,557,862.60
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Solution
The fourth proportional to 4,160,496.20, 6,240,744.30 and 2,557,862.60 is: 3,836,793.90
Step by Step Solution
- Step 1: Write the proportion equation
4,160,496.20 : 6,240,744.30 = 2,557,862.60 : x - Step 2: Convert to fraction form
4,160,496.20/6,240,744.30 = 2,557,862.60/x - Step 3: Cross multiply
4,160,496.20x = 6,240,744.30 × 2,557,862.60 - Step 4: Simplify right side
4,160,496.20x = 15,962,966,441,133.18 - Step 5: Solve for x
x = 15,962,966,441,133.18/4,160,496.20 - Step 6: Final answer
x = 3,836,793.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.